comments on gigabit netwrok basedon 48 port switch

gigabit network based with 48 port switch

I had a blog commenting on the IB network that was based on 24 port chips and switches
In gigabit world, 48 port is very common, so how can one construct non blocking bisectionally network based on 48 port switches?
Just like the IB cases, one can use 3 tier switches to construct an no blocking network
we will use 24 port to connect to hosts and 24 port to connect to switches.
  • for 1 link between the swithes, we get 24x2x24=1152 node
  • for 2 links : 24x2x12=576
  • for 3 links 24x2x8=384
  • for 4 links 24x2x6=288
  • for 6 links 24x2x4=192
  • for 8 links 24x2x3=144
  • for 12 links 24x2x2=96
  • for 24 links 24x2=48
For blocking network there are more CONFIGURATIONS
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